…byl to nakonec trochu opruz dohledat správně uživatele, tak dávám do pléna
SELECT i.AccountName, COUNT(*) FROM tbl_ChangeSet AS cs LEFT JOIN tbl_IdentityMap im ON cs.OwnerId = im.localId LEFT JOIN Tfs_Configuration.dbo.tbl_Identity i ON im.masterId = i.Id GROUP BY i.AccountName WITH ROLLUP ORDER BY COUNT(*) DESC